package lpl;

public class YunSuan {
	public static void main(String[] args) {
		int a = 2;
		int b = 4;
	    int c = ++a;
		int d = b++;
		int e = 6;
		int f = 8;
		int g = --e;
		int h = f--;
		int l = 6;
		int j = 2*++l;
		System.out.println(c+","+a);
		System.out.println(b+","+d);
		System.out.println(g+","+e);
		System.out.println(h+","+f);
		System.out.println(j);
	}
}
